/**
 * \file
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 * it under the terms of the GNU General Public License as published by
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 * Copyright 2004, 2005 Develer S.r.l. (http://www.develer.com/)
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 *
 * notest: avr
 * notest: arm
 * \brief sprintf() implementation based on _formatted_write()
 *
 * \author Bernie Innocenti <bernie@codewiz.org>
 */

#include "formatwr.h"
#include <cfg/compiler.h>
#include <cfg/test.h>
#include <cfg/debug.h>

#include <cpu/pgm.h>

#include <stdio.h>

#include <string.h> /* strcmp() */


int sprintf_testSetup(void)
{
	kdbg_init();
	return 0;
}

int sprintf_testRun(void)
{
	char buf[256];
	static const char test_string[] = "Hello, world!\n";
	static const pgm_char test_string_pgm[] = "Hello, world!\n";

	snprintf(buf, sizeof buf, "%s", test_string);
	if (strcmp(buf, test_string) != 0)
		return 1;

	snprintf(buf, sizeof buf, "%S", (const wchar_t *)test_string_pgm);
	if (strcmp(buf, test_string_pgm) != 0)
		return 2;

	#define TEST(FMT, VALUE, EXPECT) do { \
		snprintf(buf, sizeof buf, FMT, VALUE); \
		if (strcmp(buf, EXPECT) != 0) \
			return -1; \
	} while (0)

	TEST("%d",       12345,        "12345");
	TEST("%ld",  123456789L,   "123456789");
	TEST("%ld",  -12345678L,   "-12345678");
	TEST("%lu", 4294967295UL, "4294967295");
	TEST("%hd",     -12345,       "-12345");
	TEST("%hu",      65535U,       "65535");

	TEST("%8d",      123,       "     123");
	TEST("%8d",     -123,       "    -123");
	TEST("%-8d",     -123,      "-123    ");
	TEST("%08d",     -123,      "-0000123");

	TEST("%8.2f",  -123.456,    " -123.46");
	TEST("%-8.2f", -123.456,    "-123.46 ");
	TEST("%8.0f",  -123.456,    "    -123");


	/*
	 * Stress tests.
	 */
	snprintf(buf, sizeof buf, "%s", (char *)(NULL));
	if (strcmp(buf, "<NULL>") != 0)
		return 3;
	snprintf(buf, sizeof buf, "%k");
	if (strcmp(buf, "???") != 0)
		return 4;
	sprintf(NULL, test_string); /* must not crash */

	return 0;
}

int sprintf_testTearDown(void)
{
	return 0;
}

TEST_MAIN(sprintf);